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Hussein KH, Ahmadzada B, Correa JC, Sultan A, Wilken S, Amiot B, Nyberg SL. Liver tissue engineering using decellularized scaffolds: Current progress, challenges, and opportunities. Bioact Mater 2024; 40:280-305. [PMID: 38973992 PMCID: PMC11226731 DOI: 10.1016/j.bioactmat.2024.06.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2024] [Revised: 05/30/2024] [Accepted: 06/01/2024] [Indexed: 07/09/2024] Open
Abstract
Liver transplantation represents the only definitive treatment for patients with end-stage liver disease. However, the shortage of liver donors provokes a dramatic gap between available grafts and patients on the waiting list. Whole liver bioengineering, an emerging field of tissue engineering, holds great potential to overcome this gap. This approach involves two main steps; the first is liver decellularization and the second is recellularization. Liver decellularization aims to remove cellular and nuclear materials from the organ, leaving behind extracellular matrices containing different structural proteins and growth factors while retaining both the vascular and biliary networks. Recellularization involves repopulating the decellularized liver with appropriate cells, theoretically from the recipient patient, to reconstruct the parenchyma, vascular tree, and biliary network. The aim of this review is to identify the major advances in decellularization and recellularization strategies and investigate obstacles for the clinical application of bioengineered liver, including immunogenicity of the designed liver extracellular matrices, the need for standardization of scaffold fabrication techniques, selection of suitable cell sources for parenchymal repopulation, vascular, and biliary tree reconstruction. In vivo transplantation models are also summarized for evaluating the functionality of bioengineered livers. Finally, the regulatory measures and future directions for confirming the safety and efficacy of bioengineered liver are also discussed. Addressing these challenges in whole liver bioengineering may offer new solutions to meet the demand for liver transplantation and improve patient outcomes.
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Affiliation(s)
- Kamal H. Hussein
- Department of Surgery, Mayo Clinic, Rochester, MN, United States
- William J. von Liebig Center for Transplantation and Clinical Regeneration, Mayo Clinic, Rochester, MN, United States
- Department of Surgery, Anesthesiology, and Radiology, College of Veterinary Medicine, Assiut University, Assiut, Egypt
| | - Boyukkhanim Ahmadzada
- Department of Surgery, Mayo Clinic, Rochester, MN, United States
- William J. von Liebig Center for Transplantation and Clinical Regeneration, Mayo Clinic, Rochester, MN, United States
| | - Julio Cisneros Correa
- Department of Surgery, Mayo Clinic, Rochester, MN, United States
- William J. von Liebig Center for Transplantation and Clinical Regeneration, Mayo Clinic, Rochester, MN, United States
| | - Ahmer Sultan
- Department of Surgery, Mayo Clinic, Rochester, MN, United States
- William J. von Liebig Center for Transplantation and Clinical Regeneration, Mayo Clinic, Rochester, MN, United States
| | - Silvana Wilken
- Department of Surgery, Mayo Clinic, Rochester, MN, United States
- William J. von Liebig Center for Transplantation and Clinical Regeneration, Mayo Clinic, Rochester, MN, United States
| | - Bruce Amiot
- Department of Surgery, Mayo Clinic, Rochester, MN, United States
- William J. von Liebig Center for Transplantation and Clinical Regeneration, Mayo Clinic, Rochester, MN, United States
| | - Scott L. Nyberg
- Department of Surgery, Mayo Clinic, Rochester, MN, United States
- William J. von Liebig Center for Transplantation and Clinical Regeneration, Mayo Clinic, Rochester, MN, United States
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Upadhyay U, Srinivasulu K, Chelluri LK. Standardizing Chondrocyte Isolation and Articular Cartilage Decellularization: A Versatile Bioink for Tissue Engineering Applications. Methods Mol Biol 2024. [PMID: 38507214 DOI: 10.1007/7651_2024_534] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/22/2024]
Abstract
The extracellular matrix (ECM) is a noncellular component of tissues that provides structural and biochemical support to cells. The purpose of decellularization is to provide a tissue-specific niche to preserve the architecture, composition, and signaling molecules of the ECM. The current protocol discusses the standardization of chondrocyte isolation and the preparation of acellular ECM as a bioink additive from human native articular cartilage. Isolated chondrocytes with bioink additives provide a tissue-specific microenvironment. Herein, we discuss a standardized protocol with multiple applications in the area of organ-on-a-chip model development, spheroid formation, microfluidics platform, bioprinting, and tissue engineering. Cartilage tissue engineering is complex owing to the heterogeneous complex proteins, which are a challenge to synthesize; hence, this protocol in many ways offers cues to exploit the acellular ECM for multiple ongoing research studies.
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Affiliation(s)
- Upasna Upadhyay
- Stem Cell Unit, Global Medical Education and Research Foundation Lakdikapul, Hyderabad, Telangana, India
- Department of Biotechnology, Koneru Lakshmaiah Education Foundation Deemed to be University, Vaddeswaram, Vijayawada, Andhra Pradesh, India
| | - Kamma Srinivasulu
- Department of Biotechnology, Koneru Lakshmaiah Education Foundation Deemed to be University, Vaddeswaram, Vijayawada, Andhra Pradesh, India
| | - Lakshmi Kiran Chelluri
- Stem Cell Unit, Global Medical Education and Research Foundation Lakdikapul, Hyderabad, Telangana, India.
- Advanced Diagnostics and Therapeutics, Gleneagles Global Hospitals, Lakdikapul, Hyderabad, Telangana, India.
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Singh G, Satpathi S, Gopala Reddy BV, Singh MK, Sarangi S, Behera PK, Nayak B. Impact of various detergent-based immersion and perfusion decellularization strategies on the novel caprine pancreas derived extracellular matrix scaffold. Front Bioeng Biotechnol 2023; 11:1253804. [PMID: 37790257 PMCID: PMC10544968 DOI: 10.3389/fbioe.2023.1253804] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2023] [Accepted: 09/05/2023] [Indexed: 10/05/2023] Open
Abstract
Limited availability of the organs donors has facilitated the establishment of xenogeneic organ sources for transplantation. Numerous studies have decellularized several organs and assessed their implantability in order to provide such organs. Among all the decellularized organs studies for xenotransplantation, the pancreas has garnered very limited amount of research. The presently offered alternatives for pancreas transplantation are unable to liberate patients from donor dependence. The rat and mice pancreas are not of an accurate size for transplantation but can only be used for in-vitro studies mimicking in-vivo immune response in humans, while the porcine pancreas can cause zoonotic diseases as it carries porcine endogenous retrovirus (PERV- A/B/C). Therefore, we propose caprine pancreas as a substitute for these organs, which not only reduces donor dependence but also poses no risk of zoonosis. Upon decellularization the extracellular matrix (ECM) of different tissues responds differently to the detergents used for decellularization at physical and physiological level; this necessitates a comprehensive analysis of each tissue independently. This study investigates the impact of decellularization by ionic (SDS and SDC), non-ionic (Triton X-100 and Tween-20), and zwitterionic detergents (CHAPS). All these five detergents have been used to decellularize caprine pancreas via immersion (ID) and perfusion (PD) set-up. In this study, an extensive comparison of these two configurations (ID and PD) with regard to each detergent has been conducted. The final obtained scaffold with each set-up has been evaluated for the left-over cytosolic content, ECM components like sGAG, collagen, and fibronectin were estimated via Prussian blue and Immunohistochemical staining respectively, and finally for the tensile strength and antimicrobial activity. All the detergents performed consistently superior in PD than in ID. Conclusively, PD with SDS, SDC, and TX-100 successfully decellularizes caprine pancreatic tissue while retaining ECM architecture and mechanical properties. This research demonstrates the viability of caprine pancreatic tissue as a substitute scaffold for porcine organs and provides optimal decellularization protocol for this xenogeneic tissue. This research aims to establish a foundation for further investigations into potential regenerative strategies using this ECM in combination with other factors.
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Affiliation(s)
- Garima Singh
- Immunology and Molecular Medicine Laboratory, Department of Life Science, National Institute of Technology, Rourkela, India
| | | | - Bora Venu Gopala Reddy
- Immunology and Molecular Medicine Laboratory, Department of Life Science, National Institute of Technology, Rourkela, India
| | - Manish Kumar Singh
- Immunology and Molecular Medicine Laboratory, Department of Life Science, National Institute of Technology, Rourkela, India
| | - Samchita Sarangi
- Immunology and Molecular Medicine Laboratory, Department of Life Science, National Institute of Technology, Rourkela, India
| | | | - Bismita Nayak
- Immunology and Molecular Medicine Laboratory, Department of Life Science, National Institute of Technology, Rourkela, India
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Wang T, Yu T, Tsai CY, Hong ZY, Chao WH, Su YS, Subbiah SK, Renuka RR, Hsu ST, Wu GJ, Higuchi A. Xeno-free culture and proliferation of hPSCs on 2D biomaterials. PROGRESS IN MOLECULAR BIOLOGY AND TRANSLATIONAL SCIENCE 2023; 199:63-107. [PMID: 37678982 DOI: 10.1016/bs.pmbts.2023.02.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/16/2023]
Abstract
Human pluripotent stem cells (human embryonic stem cells (hESCs) and induced pluripotent stem cells (hiPSCs)) have unlimited proliferative potential, whereas adult stem cells such as bone marrow-derived stem cells and adipose-derived stem cells have problems with aging. When hPSCs are intended to be cultured on feeder-free or xeno-free conditions without utilizing mouse embryonic fibroblasts or human fibroblasts, they cannot be cultured on conventional tissue culture polystyrene dishes, as adult stem cells can be cultured but should be cultivated on material surfaces grafted or coated with (a) natural or recombinant extracellular matrix (ECM) proteins, (b) ECM protein-derived peptides and specific synthetic polymer surfaces in xeno-free and/or chemically defined conditions. This review describes current developing cell culture biomaterials for the proliferation of hPSCs while maintaining the pluripotency and differentiation potential of the cells into 3 germ layers. Biomaterials for the cultivation of hPSCs without utilizing a feeder layer are essential to decrease the risk of xenogenic molecules, which contributes to the potential clinical usage of hPSCs. ECM proteins such as human recombinant vitronectin, laminin-511 and laminin-521 have been utilized instead of Matrigel for the feeder-free cultivation of hPSCs. The following biomaterials are also discussed for hPSC cultivation: (a) decellularized ECM, (b) peptide-grafted biomaterials derived from ECM proteins, (c) recombinant E-cadherin-coated surface, (d) polysaccharide-immobilized surface, (e) synthetic polymer surfaces with and without bioactive sites, (f) thermoresponsive polymer surfaces with and without bioactive sites, and (g) synthetic microfibrous scaffolds.
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Affiliation(s)
- Ting Wang
- State Key Laboratory of Ophthalmology, Optometry and Visual Science, Eye Hospital, Wenzhou Medical University, Wenzhou, Zhejiang, P.R. China
| | - Tao Yu
- State Key Laboratory of Ophthalmology, Optometry and Visual Science, Eye Hospital, Wenzhou Medical University, Wenzhou, Zhejiang, P.R. China
| | - Chang-Yen Tsai
- Department of Chemical and Materials Engineering, National Central University, Jhongli, Taoyuan, Taiwan
| | - Zhao-Yu Hong
- Department of Chemical and Materials Engineering, National Central University, Jhongli, Taoyuan, Taiwan
| | - Wen-Hui Chao
- Department of Chemical and Materials Engineering, National Central University, Jhongli, Taoyuan, Taiwan
| | - Yi-Shuo Su
- Department of Chemical and Materials Engineering, National Central University, Jhongli, Taoyuan, Taiwan
| | - Suresh Kumar Subbiah
- Centre for Materials Engineering and Regenerative Medicine, Bharath Institute of Higher Education and Research, Chennai, India
| | - Remya Rajan Renuka
- Centre for Materials Engineering and Regenerative Medicine, Bharath Institute of Higher Education and Research, Chennai, India
| | - Shih-Tien Hsu
- Department of Internal Medicine, Landseed International Hospital, Pingjen City, Taoyuan, Taiwan
| | - Gwo-Jang Wu
- Graduate Institute of Medical Sciences and Department of Obstetrics & Gynecology, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan.
| | - Akon Higuchi
- State Key Laboratory of Ophthalmology, Optometry and Visual Science, Eye Hospital, Wenzhou Medical University, Wenzhou, Zhejiang, P.R. China; Graduate Institute of Medical Sciences and Department of Obstetrics & Gynecology, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan.
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5
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Liu H, Gong Y, Zhang K, Ke S, Wang Y, Wang J, Wang H. Recent Advances in Decellularized Matrix-Derived Materials for Bioink and 3D Bioprinting. Gels 2023; 9:gels9030195. [PMID: 36975644 PMCID: PMC10048399 DOI: 10.3390/gels9030195] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2022] [Revised: 02/28/2023] [Accepted: 03/01/2023] [Indexed: 03/08/2023] Open
Abstract
As an emerging 3D printing technology, 3D bioprinting has shown great potential in tissue engineering and regenerative medicine. Decellularized extracellular matrices (dECM) have recently made significant research strides and have been used to create unique tissue-specific bioink that can mimic biomimetic microenvironments. Combining dECMs with 3D bioprinting may provide a new strategy to prepare biomimetic hydrogels for bioinks and hold the potential to construct tissue analogs in vitro, similar to native tissues. Currently, the dECM has been proven to be one of the fastest growing bioactive printing materials and plays an essential role in cell-based 3D bioprinting. This review introduces the methods of preparing and identifying dECMs and the characteristic requirements of bioink for use in 3D bioprinting. The most recent advances in dECM-derived bioactive printing materials are then thoroughly reviewed by examining their application in the bioprinting of different tissues, such as bone, cartilage, muscle, the heart, the nervous system, and other tissues. Finally, the potential of bioactive printing materials generated from dECM is discussed.
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Affiliation(s)
- Huaying Liu
- College of Life Sciences and Bioengineering, School of Physical Science and Engineering, Beijing Jiaotong University, Beijing 100091, China
| | - Yuxuan Gong
- College of Life Sciences and Bioengineering, School of Physical Science and Engineering, Beijing Jiaotong University, Beijing 100091, China
| | - Kaihui Zhang
- College of Life Sciences and Bioengineering, School of Physical Science and Engineering, Beijing Jiaotong University, Beijing 100091, China
- College of Life Sciences, Inner Mongolia University, Hohhot 010070, China
| | - Shen Ke
- College of Life Sciences and Bioengineering, School of Physical Science and Engineering, Beijing Jiaotong University, Beijing 100091, China
| | - Yue Wang
- National Institutes for Food and Drug Control, Beijing 102629, China
| | - Jing Wang
- State Key Laboratory of Toxicology and Medical Countermeasures, Beijing Institute of Pharmacology and Toxicology, Beijing 100850, China
- Correspondence: (J.W.); (H.W.)
| | - Haibin Wang
- College of Life Sciences and Bioengineering, School of Physical Science and Engineering, Beijing Jiaotong University, Beijing 100091, China
- Correspondence: (J.W.); (H.W.)
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6
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Afzal Z, Huguet EL. Bioengineering liver tissue by repopulation of decellularised scaffolds. World J Hepatol 2023; 15:151-179. [PMID: 36926238 PMCID: PMC10011915 DOI: 10.4254/wjh.v15.i2.151] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/26/2022] [Revised: 11/22/2022] [Accepted: 02/15/2023] [Indexed: 02/24/2023] Open
Abstract
Liver transplantation is the only curative therapy for end stage liver disease, but is limited by the organ shortage, and is associated with the adverse consequences of immunosuppression. Repopulation of decellularised whole organ scaffolds with appropriate cells of recipient origin offers a theoretically attractive solution, allowing reliable and timely organ sourcing without the need for immunosuppression. Decellularisation methodologies vary widely but seek to address the conflicting objectives of removing the cellular component of tissues whilst keeping the 3D structure of the extra-cellular matrix intact, as well as retaining the instructive cell fate determining biochemicals contained therein. Liver scaffold recellularisation has progressed from small rodent in vitro studies to large animal in vivo perfusion models, using a wide range of cell types including primary cells, cell lines, foetal stem cells, and induced pluripotent stem cells. Within these models, a limited but measurable degree of physiologically significant hepatocyte function has been reported with demonstrable ammonia metabolism in vivo. Biliary repopulation and function have been restricted by challenges relating to the culture and propagations of cholangiocytes, though advances in organoid culture may help address this. Hepatic vasculature repopulation has enabled sustainable blood perfusion in vivo, but with cell types that would limit clinical applications, and which have not been shown to have the specific functions of liver sinusoidal endothelial cells. Minority cell groups such as Kupffer cells and stellate cells have not been repopulated. Bioengineering by repopulation of decellularised scaffolds has significantly progressed, but there remain significant experimental challenges to be addressed before therapeutic applications may be envisaged.
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Affiliation(s)
- Zeeshan Afzal
- Department of Surgery, Addenbrookes Hospital, NIHR Comprehensive Biomedical Research and Academic Health Sciences Centre; Cambridge University Hospitals NHS Foundation Trust, Cambridge CB2 0QQ, United Kingdom
| | - Emmanuel Laurent Huguet
- Department of Surgery, Addenbrookes Hospital, NIHR Comprehensive Biomedical Research and Academic Health Sciences Centre; Cambridge University Hospitals NHS Foundation Trust, Cambridge CB2 0QQ, United Kingdom
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7
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Kort-Mascort J, Flores-Torres S, Peza-Chavez O, Jang JH, Pardo LA, Tran SD, Kinsella J. Decellularized ECM hydrogels: prior use considerations, applications, and opportunities in tissue engineering and biofabrication. Biomater Sci 2023; 11:400-431. [PMID: 36484344 DOI: 10.1039/d2bm01273a] [Citation(s) in RCA: 21] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/03/2022]
Abstract
Tissue development, wound healing, pathogenesis, regeneration, and homeostasis rely upon coordinated and dynamic spatial and temporal remodeling of extracellular matrix (ECM) molecules. ECM reorganization and normal physiological tissue function, require the establishment and maintenance of biological, chemical, and mechanical feedback mechanisms directed by cell-matrix interactions. To replicate the physical and biological environment provided by the ECM in vivo, methods have been developed to decellularize and solubilize tissues which yield organ and tissue-specific bioactive hydrogels. While these biomaterials retain several important traits of the native ECM, the decellularizing process, and subsequent sterilization, and solubilization result in fragmented, cleaved, or partially denatured macromolecules. The final product has decreased viscosity, moduli, and yield strength, when compared to the source tissue, limiting the compatibility of isolated decellularized ECM (dECM) hydrogels with fabrication methods such as extrusion bioprinting. This review describes the physical and bioactive characteristics of dECM hydrogels and their role as biomaterials for biofabrication. In this work, critical variables when selecting the appropriate tissue source and extraction methods are identified. Common manual and automated fabrication techniques compatible with dECM hydrogels are described and compared. Fabrication and post-manufacturing challenges presented by the dECM hydrogels decreased mechanical and structural stability are discussed as well as circumvention strategies. We further highlight and provide examples of the use of dECM hydrogels in tissue engineering and their role in fabricating complex in vitro 3D microenvironments.
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Affiliation(s)
| | | | - Omar Peza-Chavez
- Department of Bioengineering, McGill University, Montreal, Quebec, Canada.
| | - Joyce H Jang
- Department of Bioengineering, McGill University, Montreal, Quebec, Canada.
| | | | - Simon D Tran
- Faculty of Dental Medicine and Oral Health Sciences, McGill University, Montreal, Quebec, Canada
| | - Joseph Kinsella
- Department of Bioengineering, McGill University, Montreal, Quebec, Canada.
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Neunaber C, Dalinghaus C, Bundkirchen K, Toumpaniari S, Gladitz LM, Joda A, Morticelli L, Krettek C, Korossis S. Towards the development of osteochondral allografts with reduced immunogenicity. J Mech Behav Biomed Mater 2022; 133:105359. [PMID: 35841749 DOI: 10.1016/j.jmbbm.2022.105359] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2021] [Revised: 06/30/2022] [Accepted: 07/03/2022] [Indexed: 11/30/2022]
Abstract
Nowadays, repair and replacement of hyaline articular cartilage still challenges orthopedic surgery. Using a graft of decellularized articular cartilage as a structural scaffold is considered as a promising therapy. So far, successful cell removal has only been possible for small samples with destruction of the macrostructure or loss of biomechanics. Our aim was to develop a mild, enzyme-free chemical decellularization procedure while preserving the biomechanical properties of cartilage. Porcine osteochondral cylinders (diameter: 12 mm; height: 10 mm) were divided into four groups: Native plugs (NA), decellularized plugs treated with PBS, Triton-X-100 and SDS (DC), and plugs additionally treated with freeze-thaw-cycles of -20 °C, -80 °C or shock freezing in nitrogen (N2) before decellularization. In a non-decalcified HE stain the decellularization efficiency (cell removal, cell size, depth of decellularization) was calculated. For biomechanics the elastic and compression modulus, transition and failure strain as well as transition and failure stress were evaluated. The -20 °C, -80 °C, and N2 groups showed a complete decellularization of the superficial and middle zone. In the deep zone cells could not be removed in any experimental group. The biomechanical analysis showed only a reduced elastic modulus in all decellularized samples. No significant differences were found for the other biomechanical parameters.
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Affiliation(s)
- Claudia Neunaber
- Trauma Department, Hannover Medical School, Carl-Neuberg-Straße 1, 30625, Hannover, Germany.
| | - Catharina Dalinghaus
- Trauma Department, Hannover Medical School, Carl-Neuberg-Straße 1, 30625, Hannover, Germany.
| | - Katrin Bundkirchen
- Trauma Department, Hannover Medical School, Carl-Neuberg-Straße 1, 30625, Hannover, Germany.
| | - Sotiria Toumpaniari
- Cardiopulmonary Regenerative Engineering (CARE) Group, Centre for Biological Engineering, Wolfson School of Mechanical, Electrical and Manufacturing Engineering, Holywell Park, Loughborough University, LE11 3TU, Loughborough, UK.
| | - Luisa Marilena Gladitz
- Trauma Department, Hannover Medical School, Carl-Neuberg-Straße 1, 30625, Hannover, Germany.
| | - Akram Joda
- Cardiopulmonary Regenerative Engineering (CARE) Group, Centre for Biological Engineering, Wolfson School of Mechanical, Electrical and Manufacturing Engineering, Holywell Park, Loughborough University, LE11 3TU, Loughborough, UK; Higher Colleges of Technology, Faculty of Engineering Technology and Science, Dubai, United Arab Emirates.
| | - Lucrezia Morticelli
- Lower Saxony Centre for Biomedical Engineering Implant Research & Development, Hannover Medical School, Stadtfelddamm 34, 30625, Hannover, Germany.
| | - Christian Krettek
- Trauma Department, Hannover Medical School, Carl-Neuberg-Straße 1, 30625, Hannover, Germany.
| | - Sotirios Korossis
- Cardiopulmonary Regenerative Engineering (CARE) Group, Centre for Biological Engineering, Wolfson School of Mechanical, Electrical and Manufacturing Engineering, Holywell Park, Loughborough University, LE11 3TU, Loughborough, UK; Lower Saxony Centre for Biomedical Engineering Implant Research & Development, Hannover Medical School, Stadtfelddamm 34, 30625, Hannover, Germany; Department of Cardiothoracic, Transplantation and Vascular Surgery, Hannover Medical School, Carl-Neuberg-Straße 1, 30625, Hannover, Germany.
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Zhang Q, Hu Y, Long X, Hu L, Wu Y, Wu J, Shi X, Xie R, Bi Y, Yu F, Li P, Yang Y. Preparation and Application of Decellularized ECM-Based Biological Scaffolds for Articular Cartilage Repair: A Review. Front Bioeng Biotechnol 2022; 10:908082. [PMID: 35845417 PMCID: PMC9280718 DOI: 10.3389/fbioe.2022.908082] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2022] [Accepted: 06/09/2022] [Indexed: 11/16/2022] Open
Abstract
Cartilage regeneration is dependent on cellular-extracellular matrix (ECM) interactions. Natural ECM plays a role in mechanical and chemical cell signaling and promotes stem cell recruitment, differentiation and tissue regeneration in the absence of biological additives, including growth factors and peptides. To date, traditional tissue engineering methods by using natural and synthetic materials have not been able to replicate the physiological structure (biochemical composition and biomechanical properties) of natural cartilage. Techniques facilitating the repair and/or regeneration of articular cartilage pose a significant challenge for orthopedic surgeons. Whereas, little progress has been made in this field. In recent years, with advances in medicine, biochemistry and materials science, to meet the regenerative requirements of the heterogeneous and layered structure of native articular cartilage (AC) tissue, a series of tissue engineering scaffolds based on ECM materials have been developed. These scaffolds mimic the versatility of the native ECM in function, composition and dynamic properties and some of which are designed to improve cartilage regeneration. This review systematically investigates the following: the characteristics of cartilage ECM, repair mechanisms, decellularization method, source of ECM, and various ECM-based cartilage repair methods. In addition, the future development of ECM-based biomaterials is hypothesized.
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Affiliation(s)
- Qian Zhang
- Department of Orthopedics, The Second People’s Hospital of Guiyang, Guiyang, China
| | - Yixin Hu
- Department of Orthopedics, The Second People’s Hospital of Guiyang, Guiyang, China
| | - Xuan Long
- Department of Obstetrics and Gynecology, Affiliated Hospital of Guizhou Medical University, Guiyang, China
| | - Lingling Hu
- Department of Orthopedics, The Second People’s Hospital of Guiyang, Guiyang, China
| | - Yu Wu
- Department of Orthopedics, The Second People’s Hospital of Guiyang, Guiyang, China
| | - Ji Wu
- Department of Orthopedics, The Second People’s Hospital of Guiyang, Guiyang, China
| | - Xiaobing Shi
- Department of Orthopedics, The Second People’s Hospital of Guiyang, Guiyang, China
| | - Runqi Xie
- Department of Orthopedics, The Second People’s Hospital of Guiyang, Guiyang, China
| | - Yu Bi
- Department of Orthopedics, The Second People’s Hospital of Guiyang, Guiyang, China
| | - Fangyuan Yu
- Senior Department of Orthopedics, Forth Medical Center of Chinese PLA General Hospital, Beijing, China
- *Correspondence: Fangyuan Yu, ; Pinxue Li, ; Yu Yang,
| | - Pinxue Li
- School of Medicine, Nankai University, Tianjin, China
- *Correspondence: Fangyuan Yu, ; Pinxue Li, ; Yu Yang,
| | - Yu Yang
- Department of Orthopedics, The Second People’s Hospital of Guiyang, Guiyang, China
- *Correspondence: Fangyuan Yu, ; Pinxue Li, ; Yu Yang,
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10
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The effect of decellularized cartilage matrix scaffolds combined with endometrial stem cell-derived osteocytes on osteochondral tissue engineering in rats. In Vitro Cell Dev Biol Anim 2022; 58:480-490. [PMID: 35727496 DOI: 10.1007/s11626-022-00692-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2021] [Accepted: 05/02/2022] [Indexed: 11/05/2022]
Abstract
Since decellularized tissues may offer the instructive niche for cell differentiation and function, their use as cell culture scaffolds is a promising approach for regenerative medicine. To repair osteochondral tissues, developing a scaffold with biomimetic structural, compositional, and functional characteristics is vital. As a result of their heterogeneous structure, decellularized articular cartilage matrix from allogeneic and xenogeneic sources are considered appropriate scaffolds for cartilage regeneration. We developed a scaffold for osteochondral tissue engineering by decellularizing sheep knee cartilage using a chemical technique. DNA content measurements and histological examinations revealed that this protocol completely removed cells from decellularized cartilage. Furthermore, SEM, MTS assay, and H&E staining revealed that human endometrial stem cells could readily adhere to the decellularized cartilage, and the scaffold was biocompatible for their proliferation. Besides, we discovered that decellularized scaffolds could promote EnSC osteogenic differentiation by increasing bone-specific gene expression. Further, it was found that decellularized scaffolds were inductive for chondrogenic differentiation of stem cells, evidenced by an up-regulation in the expression of the cartilage-specific gene. Also, in vivo study showed the high affinity of acellularized scaffolds for cell adhesion and proliferation led to an improved regeneration of articular lesions in rats after 4 weeks. Finally, a perfect scaffold with high fidelity is provided by the developed decellularized cartilage scaffold for the functional reconstruction of osteochondral tissues; these types of scaffolds are helpful in studying how the tissue microenvironment supports osteocytes and chondrocytes differentiation, growth, and function to have a good osteochondral repair effect.
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11
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Dai Q, Jiang W, Huang F, Song F, Zhang J, Zhao H. Recent Advances in Liver Engineering With Decellularized Scaffold. Front Bioeng Biotechnol 2022; 10:831477. [PMID: 35223793 PMCID: PMC8866951 DOI: 10.3389/fbioe.2022.831477] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2021] [Accepted: 01/24/2022] [Indexed: 12/02/2022] Open
Abstract
Liver transplantation is currently the only effective treatment for patients with end-stage liver disease; however, donor liver scarcity is a notable concern. As a result, extensive endeavors have been made to diversify the source of donor livers. For example, the use of a decellularized scaffold in liver engineering has gained considerable attention in recent years. The decellularized scaffold preserves the original orchestral structure and bioactive chemicals of the liver, and has the potential to create a de novo liver that is fit for transplantation after recellularization. The structure of the liver and hepatic extracellular matrix, decellularization, recellularization, and recent developments are discussed in this review. Additionally, the criteria for assessment and major obstacles in using a decellularized scaffold are covered in detail.
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Affiliation(s)
- Qingqing Dai
- Department of Hepatopancreatobiliary Surgery and Organ Transplantation Center, Department of General Surgery, The First Affiliated Hospital of Anhui Medical University, Hefei, China
- Department of Internal Medicine IV (Gastroenterology, Hepatology, and Infectious Diseases), Jena University Hospital, Jena, Germany
| | - Wei Jiang
- Department of Burns, The First Affiliated Hospital of Anhui Medical University, Hefei, China
| | - Fan Huang
- Department of Hepatopancreatobiliary Surgery and Organ Transplantation Center, Department of General Surgery, The First Affiliated Hospital of Anhui Medical University, Hefei, China
| | - Fei Song
- Department of Urology, Jena University Hospital, Jena, Germany
| | - Jiqian Zhang
- Department of Anesthesiology, The First Affiliated Hospital of Anhui Medical University, Hefei, China
- *Correspondence: Jiqian Zhang, ; Hongchuan Zhao,
| | - Hongchuan Zhao
- Department of Hepatopancreatobiliary Surgery and Organ Transplantation Center, Department of General Surgery, The First Affiliated Hospital of Anhui Medical University, Hefei, China
- *Correspondence: Jiqian Zhang, ; Hongchuan Zhao,
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12
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Moffat D, Ye K, Jin S. Decellularization for the retention of tissue niches. J Tissue Eng 2022; 13:20417314221101151. [PMID: 35620656 PMCID: PMC9128068 DOI: 10.1177/20417314221101151] [Citation(s) in RCA: 49] [Impact Index Per Article: 24.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2021] [Accepted: 05/01/2022] [Indexed: 12/25/2022] Open
Abstract
Decellularization of natural tissues to produce extracellular matrix is a promising method for three-dimensional scaffolding and for understanding microenvironment of the tissue of interest. Due to the lack of a universal standard protocol for tissue decellularization, recent investigations seek to develop novel methods for whole or partial organ decellularization capable of supporting cell differentiation and implantation towards appropriate tissue regeneration. This review provides a comprehensive and updated perspective on the most recent advances in decellularization strategies for a variety of organs and tissues, highlighting techniques of chemical, physical, biological, enzymatic, or combinative-based methods to remove cellular contents from tissues. In addition, the review presents modernized approaches for improving standard decellularization protocols for numerous organ types.
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Affiliation(s)
- Deana Moffat
- Department of Biomedical Engineering, Binghamton University, State University of New York (SUNY), Binghamton, NY, USA
| | - Kaiming Ye
- Department of Biomedical Engineering, Binghamton University, State University of New York (SUNY), Binghamton, NY, USA
- Center of Biomanufacturing for Regenerative Medicine, Binghamton University, State University of New York (SUNY), Binghamton, NY, USA
| | - Sha Jin
- Department of Biomedical Engineering, Binghamton University, State University of New York (SUNY), Binghamton, NY, USA
- Center of Biomanufacturing for Regenerative Medicine, Binghamton University, State University of New York (SUNY), Binghamton, NY, USA
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13
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Efficient Decellularization by Application of Moderate High Hydrostatic Pressure with Supercooling Pretreatment. MICROMACHINES 2021; 12:mi12121486. [PMID: 34945339 PMCID: PMC8708072 DOI: 10.3390/mi12121486] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/22/2021] [Revised: 11/25/2021] [Accepted: 11/28/2021] [Indexed: 12/17/2022]
Abstract
Decellularized tissues are considered superior scaffolds for cell cultures, preserving the microstructure of native tissues and delivering many kinds of cytokines. High hydrostatic pressure (HHP) treatment could remove cells physically from biological tissues rather than chemical methods. However, there are some risks of inducing destruction or denaturation of extracellular matrices (ECMs) at an ultrahigh level of HHP. Therefore, efficient decellularization using moderate HHP is required to remove almost all cells simultaneously to suppress tissue damage. In this study, we proposed a novel decellularization method using a moderate HHP with supercooling pretreatment. To validate the decellularization method, a supercooling device was developed to incubate human dermal fibroblasts or collagen gels in a supercooled state. The cell suspension and collagen gels were subjected to 100, 150, and 200 MPa of HHP after supercooling pretreatment, respectively. After applying HHP, the viability and morphology of the cells and the collagen network structure of the gels were evaluated. The viability of cells decreased dramatically after HHP application with supercooling pretreatment, whereas the microstructures of collagen gels were preserved and cell adhesivity was retained after HHP application. In conclusion, it was revealed that supercooling pretreatment promoted the denaturation of the cell membrane to improve the efficacy of decellularization using static application of moderate HHP. Furthermore, it was demonstrated that the HHP with supercooling pretreatment did not degenerate and damage the microstructure in collagen gels.
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14
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Lin S, He Y, Tao M, Wang A, Ao Q. Fabrication and evaluation of an optimized xenogenic decellularized costal cartilage graft: preclinical studies of a novel biocompatible prosthesis for rhinoplasty. Regen Biomater 2021; 8:rbab052. [PMID: 34584748 PMCID: PMC8473975 DOI: 10.1093/rb/rbab052] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2021] [Revised: 08/21/2021] [Accepted: 09/02/2021] [Indexed: 12/31/2022] Open
Abstract
On account of the poor biocompatibility of synthetic prosthesis, millions of rhinoplasty recipients have been forced to choose autologous costal cartilage as grafts, which suffer from limited availability, morbidity at the donor site and prolonged operation time. Here, as a promising alternative to autologous costal cartilage, we developed a novel xenogeneic costal cartilage and explored its feasibility as a rhinoplasty graft for the first time. Adopting an improved decellularization protocol, in which the ionic detergent was substituted by trypsin, the resulting decellularized graft was confirmed to preserve more structural components and better mechanics, and eliminate cellular components effectively. The in vitro and in vivo compatibility experiments demonstrated that the decellularized graft showed excellent biocompatibility and biosecurity. Additionally, the functionality assessment of rhinoplasty was performed in a rabbit model, and the condition of grafts after implantation was comprehensively evaluated. The optimized graft exhibited better capacity to reduce the degradation rate and maintain the morphology, in comparison to the decellularized costal cartilage prepared by conventional protocol. These findings indicate that this optimized graft derived from decellularized xenogeneic costal cartilage provides a new prospective for future investigations of rhinoplasty prosthesis and has great potential for clinical application.
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Affiliation(s)
- Shuang Lin
- Department of Plastic Surgery, Shengjing Hospital of China Medical University, 36 Sanhao Street, Shenyang 11004, China
- Department of Tissue Engineering, China Medical University, 77 Puhe Road, Shenyang 110112, China
| | - Yuanjia He
- Department of Stomatology, The Fourth Affiliated Hospital of China Medical University, 4 Chongshan East Road, Shenyang 110033, China
| | - Meihan Tao
- Department of Tissue Engineering, China Medical University, 77 Puhe Road, Shenyang 110112, China
| | - Aijun Wang
- Surgical Bioengineering Laboratory, Department of Surgery, School of Medicine, University of California Davis, Sacramento, CA 95817, USA
| | - Qiang Ao
- Department of Tissue Engineering, China Medical University, 77 Puhe Road, Shenyang 110112, China
- Institute of Regulatory Science for Medical Device, National Engineering Research Center for Biomaterials, Sichuan University, 24 Yihuan Street, Chengdu 610065, China
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15
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Haghwerdi F, Khozaei Ravari M, Taghiyar L, Shamekhi MA, Jahangir S, Haririan I, Baghaban Eslaminejad M. Application of bone and cartilage extracellular matrices in articular cartilage regeneration. Biomed Mater 2021; 16. [PMID: 34102624 DOI: 10.1088/1748-605x/ac094b] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2020] [Accepted: 06/08/2021] [Indexed: 01/02/2023]
Abstract
Articular cartilage has an avascular structure with a poor ability for self-repair; therefore, many challenges arise in cases of trauma or disease. It is of utmost importance to identify the proper biomaterial for tissue repair that has the capability to direct cell recruitment, proliferation, differentiation, and tissue integration by imitating the natural microenvironment of cells and transmitting an orchestra of intracellular signals. Cartilage extracellular matrix (cECM) is a complex nanostructure composed of divergent proteins and glycosaminoglycans (GAGs), which regulate many functions of resident cells. Numerous studies have shown the remarkable capacity of ECM-derived biomaterials for tissue repair and regeneration. Moreover, given the importance of biodegradability, biocompatibility, 3D structure, porosity, and mechanical stability in the design of suitable scaffolds for cartilage tissue engineering, demineralized bone matrix (DBM) appears to be a promising biomaterial for this purpose, as it possesses the aforementioned characteristics inherently. To the best of the authors' knowledge, no comprehensive review study on the use of DBM in cartilage tissue engineering has previously been published. Since so much work is needed to address DBM limitations such as pore size, cell retention, and so on, we decided to draw the attention of researchers in this field by compiling a list of recent publications. This review discusses the implementation of composite scaffolds of natural or synthetic origin functionalized with cECM or DBM in cartilage tissue engineering. Cutting-edge advances and limitations are also discussed in an attempt to provide guidance to researchers and clinicians.
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Affiliation(s)
- Fatemeh Haghwerdi
- Department of Pharmaceutical Biomaterials, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran
| | - Mojtaba Khozaei Ravari
- Department of Stem Cells and Developmental Biology, Cell Science Research Center, Royan Institute for Stem Cell Biology and Technology, ACECR, Tehran Iran
| | - Leila Taghiyar
- Department of Stem Cells and Developmental Biology, Cell Science Research Center, Royan Institute for Stem Cell Biology and Technology, ACECR, Tehran Iran
| | - Mohammad Amin Shamekhi
- Department of Polymer Engineering, Islamic Azad University, Sarvestan Branch, Sarvestan, Iran
| | - Shahrbano Jahangir
- Department of Stem Cells and Developmental Biology, Cell Science Research Center, Royan Institute for Stem Cell Biology and Technology, ACECR, Tehran Iran
| | - Ismaeil Haririan
- Department of Pharmaceutical Biomaterials and Medical Biomaterials Research Center (MBRC), Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran
| | - Mohamadreza Baghaban Eslaminejad
- Department of Stem Cells and Developmental Biology, Cell Science Research Center, Royan Institute for Stem Cell Biology and Technology, ACECR, Tehran Iran
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16
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Wei F, Liu S, Chen M, Tian G, Zha K, Yang Z, Jiang S, Li M, Sui X, Chen Z, Guo Q. Host Response to Biomaterials for Cartilage Tissue Engineering: Key to Remodeling. Front Bioeng Biotechnol 2021; 9:664592. [PMID: 34017827 PMCID: PMC8129172 DOI: 10.3389/fbioe.2021.664592] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2021] [Accepted: 04/14/2021] [Indexed: 12/18/2022] Open
Abstract
Biomaterials play a core role in cartilage repair and regeneration. The success or failure of an implanted biomaterial is largely dependent on host response following implantation. Host response has been considered to be influenced by numerous factors, such as immune components of materials, cytokines and inflammatory agents induced by implants. Both synthetic and native materials involve immune components, which are also termed as immunogenicity. Generally, the innate and adaptive immune system will be activated and various cytokines and inflammatory agents will be consequently released after biomaterials implantation, and further triggers host response to biomaterials. This will guide the constructive remolding process of damaged tissue. Therefore, biomaterial immunogenicity should be given more attention. Further understanding the specific biological mechanisms of host response to biomaterials and the effects of the host-biomaterial interaction may be beneficial to promote cartilage repair and regeneration. In this review, we summarized the characteristics of the host response to implants and the immunomodulatory properties of varied biomaterial. We hope this review will provide scientists with inspiration in cartilage regeneration by controlling immune components of biomaterials and modulating the immune system.
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Affiliation(s)
- Fu Wei
- Beijing Key Lab of Regenerative Medicine in Orthopedics, Key Laboratory of Musculoskeletal Trauma and War Injuries, PLA, Institute of Orthopedics, Chinese PLA General Hospital, Beijing, China.,Department of Orthopedics, The First Affiliated Hospital of University of South China, Hengyang, China
| | - Shuyun Liu
- Beijing Key Lab of Regenerative Medicine in Orthopedics, Key Laboratory of Musculoskeletal Trauma and War Injuries, PLA, Institute of Orthopedics, Chinese PLA General Hospital, Beijing, China
| | - Mingxue Chen
- Department of Orthopedic Surgery, Beijing Jishuitan Hospital, Fourth Clinical College of Peking University, Beijing, China
| | - Guangzhao Tian
- Beijing Key Lab of Regenerative Medicine in Orthopedics, Key Laboratory of Musculoskeletal Trauma and War Injuries, PLA, Institute of Orthopedics, Chinese PLA General Hospital, Beijing, China.,School of Medicine, Nankai University, Tianjin, China
| | - Kangkang Zha
- Beijing Key Lab of Regenerative Medicine in Orthopedics, Key Laboratory of Musculoskeletal Trauma and War Injuries, PLA, Institute of Orthopedics, Chinese PLA General Hospital, Beijing, China.,School of Medicine, Nankai University, Tianjin, China
| | - Zhen Yang
- Beijing Key Lab of Regenerative Medicine in Orthopedics, Key Laboratory of Musculoskeletal Trauma and War Injuries, PLA, Institute of Orthopedics, Chinese PLA General Hospital, Beijing, China.,School of Medicine, Nankai University, Tianjin, China
| | | | - Muzhe Li
- Department of Orthopedics, The First Affiliated Hospital of University of South China, Hengyang, China
| | - Xiang Sui
- Beijing Key Lab of Regenerative Medicine in Orthopedics, Key Laboratory of Musculoskeletal Trauma and War Injuries, PLA, Institute of Orthopedics, Chinese PLA General Hospital, Beijing, China
| | - Zhiwei Chen
- Department of Orthopedics, The First Affiliated Hospital of University of South China, Hengyang, China
| | - Quanyi Guo
- Beijing Key Lab of Regenerative Medicine in Orthopedics, Key Laboratory of Musculoskeletal Trauma and War Injuries, PLA, Institute of Orthopedics, Chinese PLA General Hospital, Beijing, China
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17
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Nouri Barkestani M, Naserian S, Uzan G, Shamdani S. Post-decellularization techniques ameliorate cartilage decellularization process for tissue engineering applications. J Tissue Eng 2021; 12:2041731420983562. [PMID: 33738088 PMCID: PMC7934046 DOI: 10.1177/2041731420983562] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2020] [Accepted: 12/06/2020] [Indexed: 12/17/2022] Open
Abstract
Due to the current lack of innovative and effective therapeutic approaches, tissue engineering (TE) has attracted much attention during the last decades providing new hopes for the treatment of several degenerative disorders. Tissue engineering is a complex procedure, which includes processes of decellularization and recellularization of biological tissues or functionalization of artificial scaffolds by active cells. In this review, we have first discussed those conventional steps, which have led to great advancements during the last several years. Moreover, we have paid special attention to the new methods of post-decellularization that can significantly ameliorate the efficiency of decellularized cartilage extracellular matrix (ECM) for the treatment of osteoarthritis (OA). We propose a series of post-decellularization procedures to overcome the current shortcomings such as low mechanical strength and poor bioactivity to improve decellularized ECM scaffold towards much more efficient and higher integration.
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Affiliation(s)
| | - Sina Naserian
- INSERM UMR-S-MD 1197, Hôpital Paul Brousse, Villejuif, France.,Université Paris-Saclay, CNRS, Centre de Nanosciences et Nanotechnologies C2N, UMR9001, Palaiseau, France.,CellMedEx, Saint Maur Des Fossés, France
| | - Georges Uzan
- INSERM UMR-S-MD 1197, Hôpital Paul Brousse, Villejuif, France.,Paris-Saclay University, Villejuif, France
| | - Sara Shamdani
- INSERM UMR-S-MD 1197, Hôpital Paul Brousse, Villejuif, France.,CellMedEx, Saint Maur Des Fossés, France
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18
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Fundamental Study of Decellularization Method Using Cyclic Application of High Hydrostatic Pressure. MICROMACHINES 2020; 11:mi11111008. [PMID: 33203164 PMCID: PMC7696941 DOI: 10.3390/mi11111008] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/21/2020] [Revised: 11/11/2020] [Accepted: 11/12/2020] [Indexed: 12/29/2022]
Abstract
Decellularized tissues are promising materials that mainly consist of extracellular matrices (ECMs) obtained by removing all cells from organs and tissues. High hydrostatic pressure (HHP) has been used for decellularization to remove cells physically from organs or tissues rather than by chemical methods. However, ultrahigh pressure induces denaturation of the ECM structure. In this study, we examined the effects of cyclic HHP at low and high pressures on the cell membrane structure to establish a novel decellularization method that enables decellularization without the denaturation of the ECM. A decellularization device using cyclic HHP (maximum pressure: 250 MPa, cycle number: 5) was developed. NB1RGB cell suspension was injected into a plastic bag to be subjected to cyclic HHP. After applying cyclic HHP, the amount of DNA inside the cells and the morphological changes of the cells were evaluated. As a result, the amount of DNA inside the cells decreased after the cyclic HHP compared to the static HHP. In addition, cyclic HHP was suggested to promote the destruction of the cell and nuclear membrane. In conclusion, it was revealed that the cell structure could be denatured and destroyed by cyclic HHP at a lower level than that of previous approaches.
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19
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Tang SW, Tong WY, Pang SW, Voelcker NH, Lam YW. Deconstructing, Replicating, and Engineering Tissue Microenvironment for Stem Cell Differentiation. TISSUE ENGINEERING PART B-REVIEWS 2020; 26:540-554. [PMID: 32242476 DOI: 10.1089/ten.teb.2020.0044] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
One of the most crucial components of regenerative medicine is the controlled differentiation of embryonic or adult stem cells into the desired cell lineage. Although most of the reported protocols of stem cell differentiation involve the use of soluble growth factors, it is increasingly evident that stem cells also undergo differentiation when cultured in the appropriate microenvironment. When cultured in decellularized tissues, for instance, stem cells can recapitulate the morphogenesis and functional specialization of differentiated cell types with speed and efficiency that often surpass the traditional growth factor-driven protocols. This suggests that the tissue microenvironment (TME) provides stem cells with a holistic "instructive niche" that harbors signals for cellular reprogramming. The translation of this into medical applications requires the decoding of these signals, but this has been hampered by the complexity of TME. This problem is often addressed by a reductionist approach, in which cells are exposed to substrates decorated with simple, empirically designed geometries, textures, and chemical compositions ("bottom-up" approach). Although these studies are invaluable in revealing the basic principles of mechanotransduction mechanisms, their physiological relevance is often uncertain. This review examines the recent progress of an alternative, "top-down" approach, in which the TME is treated as a holistic biological entity. This approach is made possible by recent advances in systems biology and fabrication technologies that enable the isolation, characterization, and reconstitution of TME. It is hoped that these new techniques will elucidate the nature of niche signals so that they can be extracted, replicated, and controlled. This review summarizes these emerging techniques and how the data they generated are changing our view on TME. Impact statement This review summarizes the current state of art of the understanding of instructive niche in the field of tissue microenvironment. Not only did we survey the use of different biochemical preparations as stimuli of stem cell differentiation and summarize the recent effort in dissecting the biochemical composition of these preparations, through the application of extracellular matrix (ECM) arrays and proteomics, but we also introduce the use of open-source, high-content immunohistochemistry projects in contributing to the understanding of tissue-specific composition of ECM. We believe this review would be highly useful for our peer researching in the same field. "Mr. Tulkinghorn is always the same… so oddly out of place and yet so perfectly at home." -Charles Dickens, Bleak House.
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Affiliation(s)
- Sze Wing Tang
- Department of Chemistry, City University of Hong Kong, Hong Kong, Hong Kong
| | - Wing Yin Tong
- Melbourne Center for Nanofabrication, Victorian Node of the Australian National Fabrication, Clayton, Australia.,Drug Delivery Disposition & Dynamics, Monash Institute of Pharmaceutical Sciences, Monash University, Melbourne, Australia
| | - Stella W Pang
- Department of Electrical Engineering, City University of Hong Kong, Hong Kong, Hong Kong
| | - Nicolas H Voelcker
- Melbourne Center for Nanofabrication, Victorian Node of the Australian National Fabrication, Clayton, Australia.,Drug Delivery Disposition & Dynamics, Monash Institute of Pharmaceutical Sciences, Monash University, Melbourne, Australia
| | - Yun Wah Lam
- Department of Chemistry, City University of Hong Kong, Hong Kong, Hong Kong
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